Case Series of Potential Cardiac Inflammation Associated With Various SARS-CoV-2 Vaccinations Assessed by Cardiac MRI oleh Constantin Jahnke, Constantin Jahnke, Patrick Doeblin, Patrick Doeblin, Radu Tanacli, Radu Tanacli, Undine Witt, Undine Witt, Matthias Schneider, Matthias Schneider, Christian Stehning, Burkert Pieske, Burkert Pieske, Burkert Pieske, Sebastian Kelle, Sebastian Kelle, Sebastian Kelle